blacs_helpers.h

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#ifndef STARNEIG_BLACS_HELPERS_H
#define STARNEIG_BLACS_HELPERS_H

#ifdef __cplusplus
extern "C" {
#endif

#include <starneig/configuration.h>

#ifndef STARNEIG_ENABLE_MPI
#error "This header should be included only when STARNEIG_ENABLE_MPI is defined."
#endif

#ifndef STARNEIG_ENABLE_BLACS
#error "This header should be included only when STARNEIG_ENABLE_BLACS is defined."
#endif

#include <starneig/blacs_matrix.h>



typedef int starneig_blacs_query_id_t;

#define STARNEIG_BLACS_GET_DEFAULT_CONTEXT 0


void starneig_blacs_pinfo(int *my_rank, int *rank_count);

int starneig_blacs_get(
    starneig_blacs_context_t context, starneig_blacs_query_id_t query);

starneig_blacs_context_t starneig_blacs_gridinit(
    starneig_blacs_context_t system_context, char *order,
    int rows, int cols);

void starneig_blacs_gridinfo(
    starneig_blacs_context_t context, int *rows, int *cols, int *row, int *col);

void starneig_blacs_pcoord(
    starneig_blacs_context_t context, int process, int *row, int *col);

void starneig_blacs_gridexit(starneig_blacs_context_t context);

void starneig_blacs_exit(int cont);

int starneig_blacs_numroc(
    int n, int nb, int iproc, int isrcproc, int nprocs);

int starneig_numroc(int n, int nb, int iproc, int isrcproc, int nprocs);

int starneig_blacs_descinit(
    struct starneig_blacs_descr *descr, int m, int n, int sm, int sn,
    int irsrc, int icsrc, starneig_blacs_context_t context, int ld);

int starneig_descinit(
    struct starneig_blacs_descr *descr, int m, int n, int sm, int sn,
    int irsrc, int icsrc, starneig_blacs_context_t context, int ld);


#ifdef __cplusplus
}
#endif

#endif // STARNEIG_BLACS_HELPERS_H